I wanted to add MatchIsKeyboard "on" but made a mistake and wrote WatchIsKeyboard and now the whole system won't boot up!!!! What the hell, how can Ubuntu devs release a system that can be toasted by a single typo?
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Alexei AverchenkoMay 7 '12 at 3:54

Won't boot?? do you get the bootloader menu? If so, you should be able to drop in to rescue mode and fix the typo...
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Anand JeyaharMay 7 '12 at 4:43

Ok, I fixed the system not booting up (a very hairy trivial issue it was), but your solution still doesn't work: X doesn't recognize MatchIsKeyboard, and without it keyboard options have no effect.
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Alexei AverchenkoMay 7 '12 at 5:58